| LILynx Iron Corporation | Bakersfield | CA | — | ◇ UNVERIFIED |
| LELyons Equipment CO | Sutton | WV | — | ◇ UNVERIFIED |
| LILyons Industries INC. | Ebensburg | PA | — | ◇ UNVERIFIED |
| LTLyons Tool and Machine INC. | Lyons | GA | — | ◇ UNVERIFIED |
| LTLyons Tool and Manufacturing Group Corporation | Wixom | MI | — | ◇ UNVERIFIED |
| LILysander, Inc | Columbia | SC | — | ◇ UNVERIFIED |
| LILysander, Inc | Columbia | SC | — | ◇ UNVERIFIED |
| MMM2 Modern Metal, LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
 M2 Performance Solutions LLC | Huntersville | NC | — | ◇ UNVERIFIED |
| MAM3 Aerospace | El Paso | TX | — | ◇ UNVERIFIED |
| MSM4 Specialties | Guerneville | CA | — | ◇ UNVERIFIED |
| MRMaas Radiator Shop INC | Bloomington | IL | — | ◇ UNVERIFIED |
| MAMacadam Aluminum & Bronze CO | Portland | OR | — | ◇ UNVERIFIED |
| MIMace Iron Works, INC. | Chicago | IL | — | ◇ UNVERIFIED |
| MAMachine and Fabrication Indust | Kent | WA | — | ◇ UNVERIFIED |
| MAMachine and Hydraulics, INC. | Gardendale | AL | — | ◇ UNVERIFIED |
| MAMachine Applications Technology INC | San Jose | CA | — | ◇ UNVERIFIED |
| MCMachine Casting INC | Melrose | MN | — | ◇ UNVERIFIED |
| MCMachine Craft Northwest INC | Lebanon | OR | — | ◇ UNVERIFIED |
| MCMachine Craft San Diego | San Diego | CA | — | ◇ UNVERIFIED |
| MDMachine Design Services, Inc. | South Hutchinson | KS | — | ◇ UNVERIFIED |
| MMMachined Metals Manufacturing, INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| MDMachine Dynamics Ultra Precision Cnc Machining, INC. | Westminster | CA | — | ◇ UNVERIFIED |
| MLMachine+ LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| MPMachine Pro Technologies, INC. | Celina | OH | — | ◇ UNVERIFIED |
| MMMachinery Manufacturer LLC | San Bernardino | CA | — | ◇ UNVERIFIED |
| MSMachinery Spare Parts & Supplies INC | Independence | MO | — | ◇ UNVERIFIED |
 Machine Tech, INC. | Adel | GA | — | ◇ UNVERIFIED |
| MTMachine Technology, INC. | Fenton | MO | — | ◇ UNVERIFIED |
| MTMachine Tool Design & Fab LLC | Fostoria | OH | — | ◇ UNVERIFIED |
| MTMachine Tool Masters, INC. | Pensacola | FL | — | ◇ UNVERIFIED |
| MTMachine Tool Technologies Research Foundation | Berkeley | CA | — | ◇ UNVERIFIED |
| MIMachinewell INC | Grygla | MN | — | ◇ UNVERIFIED |
| MWMachine Worx of Cincinnati | Cincinnati | OH | — | ◇ UNVERIFIED |
| MMachinex | Bensenville | IL | — | ◇ UNVERIFIED |
| MIMachinex INC | Chula Vista | CA | — | ◇ UNVERIFIED |
| MCMachining & Coating Specialists, INC. | Leeds | AL | — | ◇ UNVERIFIED |
| MCMachining Concepts, Inc. | Cambridge | MN | — | ◇ UNVERIFIED |
| MSMachining Specialists, INC. | Pearland | TX | — | ◇ UNVERIFIED |
 Machining Technologies INC | Long Lake | MN | — | ◇ UNVERIFIED |
| Machining Technologies LLC | Webster | MA | — | ◇ UNVERIFIED |
| MWMachining - Welding By Olsen INC | Cokato | MN | — | ◇ UNVERIFIED |
| MGMachinists Group Corporation | Gilroy | CA | — | ◇ UNVERIFIED |
| MIMachinists INC | Seattle | WA | — | ◇ UNVERIFIED |
| MMachmotion | Newburg | MO | — | ◇ UNVERIFIED |
| MLMachprop LLC | Everett | WA | — | ◇ UNVERIFIED |
| MIMachtron INC | Fridley | MN | — | ◇ UNVERIFIED |
| MIMacias Iron Works | Anaheim | CA | — | ◇ UNVERIFIED |
| MFMACI Fabricators, LLC | Columbiana | OH | — | ◇ UNVERIFIED |
 Mac Industries | Fontana | CA | — | ◇ UNVERIFIED |
| MJMac Jones & Frank Jones Dba Ht Jones Lumber CO | Ahoskie | NC | — | ◇ UNVERIFIED |
| MWMacksteel Warehouse, INC. | Watertown | SD | — | ◇ UNVERIFIED |
| MCMaclean Curtis, L.l.c. | Cornelius | NC | — | ◇ UNVERIFIED |
| MCMaclean-fogg Component Solutions, INC. Dba Maclean | Cornelius | NC | — | ◇ UNVERIFIED |
| MMMac Machine, LLC | Pauls Valley | OK | — | ◇ UNVERIFIED |
| MLMacmap, LLC | Columbia | SC | — | ◇ UNVERIFIED |
| MPMacota Properties, LLC | Conroe | TX | — | ◇ UNVERIFIED |
| MRMAC RAK, Inc. | Moberly | MO | — | ◇ UNVERIFIED |
| MLMacrovey LLC | Alpharetta | GA | — | ◇ UNVERIFIED |
| MMMadar Metal Fabricating LLC | Lansing | MI | — | ◇ UNVERIFIED |
 Maddox Industries, INC. | Monroe | GA | — | ◇ UNVERIFIED |
| MMMadera Millwork Ltd | Schertz | TX | — | ◇ UNVERIFIED |
| MLMadewell, LLC | Houston | TX | — | ◇ UNVERIFIED |
| MHMad House Customs LLC | Denver | NC | — | ◇ UNVERIFIED |
| MLMadhuram, LLC | San Jose | CA | — | ◇ UNVERIFIED |
| MCMadison Components, LLC | Pontotoc | MS | — | ◇ UNVERIFIED |
| MCMadison County Millwork, Inc. | Anderson | IN | — | ◇ UNVERIFIED |
| MCMadison County Millwork, Inc. | Anderson | IN | — | ◇ UNVERIFIED |
| MFMadison Floor CO. INC. | Madison | VA | — | ◇ UNVERIFIED |
| MIMadison Industries, INC of Oklahoma | Tulsa | OK | — | ◇ UNVERIFIED |
| MMMadison Manufacturing Inc. | Bremen | IN | — | ◇ UNVERIFIED |
| MMMadison-smith Machine & Tool CO LLC | Glasgow | KY | — | ◇ UNVERIFIED |
| MRMad River Fabricating LTD | Springfield | OH | — | ◇ UNVERIFIED |
| MIMadruga Iron Works, INC. | Tracy | CA | — | ◇ UNVERIFIED |
| MSMad Science Machining, LLC | Conroe | TX | — | ◇ UNVERIFIED |
| MIMaf Industries | Traver | CA | — | ◇ UNVERIFIED |
| MDMagalee Designs, LLC | Eugene | OR | — | ◇ UNVERIFIED |
| MCMagbee Contractors Supply | Winder | GA | — | ◇ UNVERIFIED |
| MNMageba North America | Riverside | CA | — | ◇ UNVERIFIED |
| MUMageba Usa, LLC | Pottstown | PA | — | ◇ UNVERIFIED |
| MCMaggie Chacon | El Paso | TX | — | ◇ UNVERIFIED |
| MSMaggies Shutters INC | Sun Valley | CA | — | ◇ UNVERIFIED |
| MRMagical Rubbish | Moses Lake | WA | — | ◇ UNVERIFIED |
| MGMagid Glove and Safety Manufacturing Company, L.l.c. | Chicago | IL | — | ◇ UNVERIFIED |
| MIMagna Industries, INC | Cleveland | OH | — | ◇ UNVERIFIED |
| MMagnaloy | Alpena | MI | — | ◇ UNVERIFIED |
| MMMagna Mirrors | Grand Rapids | MI | — | ◇ UNVERIFIED |
| MNMagnatron NC Pattern & Mfg, Inc. | Howell | MI | — | ◇ UNVERIFIED |
| MSMagnetic Sales & Manufacturing CO. INC | Tucson | AZ | — | ◇ UNVERIFIED |
| MSMagnetic Screw Machine Products, INC. | Marysville | OH | — | ◇ UNVERIFIED |
| MSMagnetic Specialties INC | Clackamas | OR | — | ◇ UNVERIFIED |
| MSMagni-fab Southwest Company, INC. | Howe | TX | — | ◇ UNVERIFIED |
| MEMagnum Equipment CO INC | Stockton | CA | — | ◇ UNVERIFIED |
| MMMagnum Machine, INC. | Grand Junction | CO | — | ◇ UNVERIFIED |
| MMMagnum Magnetics | Caldwell | OH | — | ◇ UNVERIFIED |
| MSMagnum Steel Works, Inc | Mount Vernon | IL | — | ◇ UNVERIFIED |
| MAMagoo's Auto Parts | Hilo | HI | — | ◇ UNVERIFIED |
| MJMaguire Jones Boys II, LLC | Sioux Falls | SD | — | ◇ UNVERIFIED |
| MTMaguire Tank, Inc. | Sioux Falls | SD | — | ◇ UNVERIFIED |
| MLMahaan LLC | Plain City | OH | — | ◇ UNVERIFIED |
